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Polycarbonate lenses are the most-used alternative material for modern ophthalmic lenses. Consumer interest in thinner, more attractive spectacle lenses led to the development of special lens materials that would bend light differently than conventional plastic lenses. These materials are called "hi-index". Among the high index materials developed for eyeglasses is one material that has a number of very unique properties and that also provides special benefits to eyeglass wearers. It carries the generic name "polycarbonate" but is sometimes called something different by other manufacturer trade names. Great for sports protective eyewear A "must" for kids Comes with FREE Scratch and UV Protection Impact Resistant - Polycarbonate Surpass AR lenses are 10 times more impact resistant than plastic lenses. Lighter - Polycarbonate Surpass AR lenses are up to 35% lighter and thinner than standard plastic lenses for greater comfort. UV Protection - Polycarbonate Surpass AR lenses shield your eyes from virtually 100% of the sun's harmful UV rays. Scratch Resistant - PolyCarbonate Surpass AR lenses are hardcoated for excellent durability and scratch resistance. Easy Care - PENTAX EasyClean™ treatment resists dust and smudges, making your Polycarbonate Surpass AR lenses easy to clean. Polycarbonate was the first plastic high index lens and still has one of the highest index ratings (1.59). High index advantages are included with every polycarbonate lens so there is never any extra charge for high index when polycarbonate lenses are ordered. Originally used primarily for industrial safety glasses, now used for children, sports wearers, or anyone requesting greater impact resistance in their lenses.
After a lot of use plastic goggles tend to start to show signs of ware and tear by getting scratched up, making shooting practice very difficult if you can't see through them. The good news is that there are a few things that you can try to make minor scratches less noticeable.
The first thing to be aware of before trying any of the methods in this tip is to make sure that your lenses do not have a non-reflective coating. If they do then trying anything listed here will damage the lenses.
Using a wood cleaner in the spray bottle you just spray a little on to the plastic lenses, wipe them off and apply a spray petroleum jelly and wipe it off. The jelly works to fill in the scratches so they are less noticeable.
The cleaning sprays for DVDs and other disks can be used for buffing out scratches in plastic lenses. All you have to do is spray the lenses and then wipe it off.
There are a few household items that you can use to buff out scratches if you don't want to go out and buy a lens cleaner. You can rub a non-abrasive toothpaste on the lens with a cotton ball in small circular motions. Once you have covered all the scratches use cold water to rinse the paste off. If the scratches are deep then you will have to repeat this a few more times.
Mixing baking soda with water to make a paste you can rub it on the lens just like the toothpaste and when you think that the scratch is gone rinse off the paste. If its still there reapply the paste and try again.
There are couple of materials in which sunglassess are made of. 1. Glass Lenses - it's has number of advantages: -Exceptional scratch resistance (don't need scratch resistant coating). -Excellent optical clarity. -Anti-reflective (AR) coating adheres to glass very well.Disadvantages are:-At least twice the weight of plastic or polycarbonate lenses. -About 25 to 40 percent thicker than polycarbonate and high index plastic lenses. -Can shatter or chip easier than lenses made of other materials. -Require a special coating to provide 100% UV protection Second type is Plastic Lenses:Advantages:
Lightweight - About half the weight of glass lenses. Plastic lenses accept tints easily. More shatter - resistant than glass lenses.
About 20 to 35 percent thicker than polycarbonate or high index plastic lenses. Require scratch-resistant coating for added durability. Require a special coating to provide 100% UV protection. Another type is Polycarbonate Lenses:Advantages: Safest lens material - 10 times more impact resistant than other lenses. Thin - About 20 to 25 percent thinner than plastic or glass lenses. Lightweight - About 20 percent lighter than plastic lenses. Blocks 100 percent UV rays without needing a special coating. Disadvantages: Requires scratch-resistant coating for durability. Peripheral vision may be slightly less clear in strong prescription powers. More lens reflections than glass or plastic lenses (AR coating recommended). High Index Plastic Lenses-Advantages:
Lightweight - Between plastic and polycarbonate lenses in weight. Thin - About 15 to 30 percent thinner than plastic lenses. Better peripheral optics than polycarbonate lenses (for prescription sunglasses). Disadvantages: Requires scratch-resistant coating for durability. More lens reflections than glass or plastic lenses (AR coating recommended)
That is luckily the lenses are not scratched. We can polish the plastic by very fine sand-paper then by polishing wax. But we need to make sure the color of the plastic frame is not coated on the surface. It is because there 2 main way in plastic frame manufacting, injection moduling and plate lathe cut. the injection moduling usually color coated on the surface. http://sunluxx.wordpress.com/ http://sunluxx.blogspot.com/ Source(s): http://sunluxx.wordpress.com/ http://sunluxx.blogspot.com/
Your Camry doesnt have individual lenses but a headlight assembly. You will have to purchase the WHOLE assembly to replace just the plastic covers (what youa re calling lenses.) If its a lite scratching and haze you can get a lens polishing kit from 3M at your local part store. Follow the instructions to remove haze and light scratches yourself. If you do decide to replace the headlight assembly try Rockauto.com or partsgeek.com for best prices
pull off the connector from the back of the headlight,
pull off the rubber seal,
press the springs together (either side of where the connector plugged on)
hinge the springs back (they will most likely spring open themselves)
take out the bulb (have a piece of clean cloth ready to put the bulb on, since if you get it dirty it will shorten it's life from a few years to a few months!!!)
, now what you need is some string - a length of stiff wire and a peice of soft clean cloth -
tie the cloth onto the end wire with the string (over the edge of the wire so it doesn't scratch and securely so it wont fall off - it's hard to get it out!) and poke it into the hadlight and polish up the inside, you can use a few drops of washing up liquid and warm water if it's stubborn.
use a new piece of cloth every now and again and you should end up with a nice shiny light... you might have to do the other side to make it match...
be patient because it is fiddly but it will work, at least this way you dont have to take the light out of the car and mess the aim of the light up.
dont know about replacement but someone I know had a bottle of CD scratch remover and tried it one day, it worked wonders. They also confirmed that McGuiers plastic polish does an amazing job. Take your time, apply multiple times, and use a lint free sunglass wipe to apply and buff with.
you can clean the disks using tap water and then drying with soft cloth have you tried a lense cleaner to clean the laser on the cube get a good brand one not a cheap one also you can buy a disk cleaner that gently takes the scratches out of cds and gets them as new but you will have to shop around to get one but these work on anything cd dvd games the lot so deff worth having one as lots of people throw out dvds cd and games due to the scratches stopping them working but remember the data on a disk isnt on the plastic it is on the layey the other side of plastic the plastic is their to protect the data getting damaged so removing the scratches does not damage the disk if you have scratches this will affect the disk because the laser cant read through the scratch so polishing these scratches out will make the disk as new not many people know you can do this so consider yourself having privalaged info hope this is some help to you but you might have to ask arround for a disk repair so good luck you could even charge people to repair their disks and games this works for anything on a cd style disk.........................................................